Local Calling Guide
Area code/prefix search
NPA: 667
[Rate centres in NPA 667]
[Dial plan for NPA 667]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-299
| 4 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-10-26 |
|
| 667-299
| 5 |
Annapolis |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2024-08-15 |
|
| 667-299
| 6 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-12-25 |
|
| 667-299
| 7 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-12-25 |
|
| 667-299
| 8 |
Annapolis |
MD |
|
939H COMMIO, LLC |
238 |
|
2021-10-06 |
|
| 667-299
| 9 |
Annapolis |
MD |
|
321J HD CARRIER LLC |
238 |
|
2020-06-01 |
|
| 667-300
| A |
Columbia |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
| 667-300
| 0 |
Columbia |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-07-23 |
|
| 667-300
| 1 |
Columbia |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-07-23 |
|
| 667-300
| 2 |
Columbia |
MD |
|
197D VONAGE AMERICA LLC |
238 |
|
2018-12-06 |
|
| 667-300
| 3 |
Columbia |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-07-23 |
|
| 667-300
| 4 |
Columbia |
MD |
|
197D VONAGE AMERICA LLC |
238 |
|
2018-12-06 |
|
| 667-300
| 5 |
Columbia |
MD |
|
197D VONAGE AMERICA LLC |
238 |
|
2018-12-06 |
|
| 667-300
| 6 |
Columbia |
MD |
|
197D VONAGE AMERICA LLC |
238 |
|
2018-12-06 |
|
| 667-300
| 7 |
Columbia |
MD |
|
197D VONAGE AMERICA LLC |
238 |
|
2018-12-06 |
|
| 667-300
| 8 |
Columbia |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2018-08-04 |
|
| 667-300
| 9 |
Columbia |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2018-08-04 |
|
| 667-301
| A |
Prince Frederick |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
| 667-301
| 0 |
Prince Frederick |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2021-03-26 |
|
| 667-301
| 1 |
Prince Frederick |
MD |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-01-15 |
|
| 667-301
| 2 |
Prince Frederick |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-03-27 |
|
| 667-301
| 3 |
Prince Frederick |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-03-27 |
|
| 667-301
| 4 |
Prince Frederick |
MD |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-05-23 |
|
| 667-301
| 5 |
Prince Frederick |
MD |
|
5562 METROPCS, INC. |
238 |
|
2021-05-28 |
|
| 667-301
| 6 |
Prince Frederick |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2023-01-11 |
|
| 667-301
| 7 |
Prince Frederick |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-12-19 |
|
| 667-301
| 8 |
Prince Frederick |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2021-10-10 |
|
| 667-301
| 9 |
Prince Frederick |
MD |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-01-15 |
|
| 667-302
| A |
Cecilton |
MD |
SLBRMDSBWMD |
073H TELNYX LLC |
242 |
|
|
|
| 667-302
| 0 |
Cecilton |
MD |
|
073H TELNYX LLC |
242 |
|
2021-04-02 |
|
| 667-302
| 2 |
Cecilton |
MD |
|
876D ONVOY, LLC - MD |
242 |
|
2021-04-03 |
|
| 667-302
| 3 |
Cecilton |
MD |
|
876D ONVOY, LLC - MD |
242 |
|
2021-04-03 |
|
| 667-302
| 4 |
Cecilton |
MD |
|
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-05-27 |
|
| 667-302
| 5 |
Cecilton |
MD |
|
624H ONVOY SPECTRUM, LLC |
242 |
|
2022-01-22 |
|
| 667-302
| 6 |
Cecilton |
MD |
|
318J COMCAST IP PHONE, LLC |
242 |
|
2022-07-05 |
|
| 667-302
| 7 |
Cecilton |
MD |
|
624H ONVOY SPECTRUM, LLC |
242 |
|
2022-01-22 |
|
| 667-302
| 8 |
Cecilton |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2022-11-18 |
|
| 667-303
| A |
Baltimore |
MD |
BLTMMDCHDMD |
551G NUSO, LLC |
238 |
|
|
|
| 667-303
| 0 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-08-09 |
|
| 667-303
| 1 |
Baltimore |
MD |
|
551G NUSO, LLC |
238 |
|
2013-05-08 |
|
| 667-303
| 2 |
Baltimore |
MD |
|
551G NUSO, LLC |
238 |
|
2014-02-06 |
|
| 667-303
| 3 |
Baltimore |
MD |
|
318J COMCAST IP PHONE, LLC |
238 |
|
2014-04-14 |
|
| 667-303
| 4 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-08-09 |
|
| 667-303
| 5 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-08-09 |
|
| 667-303
| 6 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-08-09 |
|
| 667-303
| 7 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-08-09 |
|
| 667-303
| 8 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-08-09 |
|
| 667-303
| 9 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-10-09 |
|
| 667-304
| A |
Essex |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
|
|
| 667-304
| 0 |
Essex |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2021-04-24 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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